USCF player statistics

Zhou, Iris

USCF 14467261MissouriUpdated: Nov 2026

US Chess membership expired on August 31, 2025. Published rating history is still shown below.

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Rating format

Regular rating

2,0530 since Oct 2026

Published rating · Nov 2026 · 12 published updates since Dec 2025

Nov 20262,053 Regular
Dec 2025: 2053Jan 2026: 2053Feb 2026: 2053Mar 2026: 2053Apr 2026: 2053May 2026: 2053Jun 2026: 2053Jul 2026: 2053Aug 2026: 2053Sep 2026: 2053Oct 2026: 2053Nov 2026: 2053
Dec 2025Nov 2026
12 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -245 Quick vs Regular

    No national baseline for this rating band yet.

  • -255 Blitz vs Regular

    No national baseline for this rating band yet.

  • -135 Online Regular vs Regular

    No national baseline for this rating band yet.

  • -227 Online Quick vs Regular (provisional)

    No national baseline for this rating band yet.

  • -239 Online Blitz vs Regular (provisional)

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
—
No gain between published updates yet
Biggest drop
—
No drop between published updates yet
Longest rise
—
No consecutive gains yet
Current run
11 updates
Unchanged since Dec 2025
Typical move
±0
Mean absolute change; spread ±0

Published ratings by month

P marks a provisional rating; the small figure is the change since the previous published observation.

Monthly USCF ratings for Zhou, Iris
MonthRegularQuickBlitzOnline RegularOnline QuickOnline Blitz
Nov 20262,053no change1,808no change1,798no change1,918no change1,826 Pno change · 14 games1,814 Pno change · 19 games
Oct 20262,053no change1,808no change1,798no change1,918no change1,826 Pno change · 14 games1,814 Pno change · 19 games
Sep 20262,053no change1,808no change1,798no change1,918no change1,826 Pno change · 14 games1,814 Pno change · 19 games
Aug 20262,053no change1,808no change1,798no change1,918no change1,826 Pno change · 14 games1,814 Pno change · 19 games
Jul 20262,053no change1,808no change1,798no change1,918no change1,826 Pno change · 14 games1,814 Pno change · 19 games
Jun 20262,053no change1,808no change1,798no change1,918no change1,826 Pno change · 14 games1,814 Pno change · 19 games
May 20262,053no change1,808no change1,798no change1,918no change1,826 Pno change · 14 games1,814 Pno change · 19 games
Apr 20262,053no change1,808no change1,798no change1,918no change1,826 Pno change · 14 games1,814 Pno change · 19 games
Mar 20262,053no change1,808no change1,798no change1,918no change1,826 Pno change · 14 games1,814 Pno change · 19 games
Feb 20262,053no change1,808no change1,798no change1,918no change1,826 Pno change · 14 games1,814 Pno change · 19 games
Jan 20262,053no change1,808no change1,798no change1,918no change1,826 Pno change · 14 games1,814 Pno change · 19 games
Dec 20252,0531,8081,7981,9181,826 P14 games1,814 P19 games
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About these statistics. Built from the monthly USCF rating updates available to Chess67. Ratings change between publications, and a missing month is not inactivity. The official US Chess record has current ratings and tournament history.